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Kondo Lab
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The lab takes on new energy systems such as fusion reactors using liquid metal technology.
AboutAbout the lab
Unlocking the potential of liquid metal technology
The Kondo Lab studies liquid metal technology and new energy systems that use it.
The lab advances liquid metal research targeting fusion reactors, accelerator-driven subcritical reactors, seawater desalination, and environmental purification.
The lab's research style is to build experimental apparatus in-house, conduct experiments, and evaluate the results with models.
Students can join the lab through the graduate entrance exams of either the School of Engineering (Department of Mechanical Engineering) or the School of Environment and Society (Department of Transdisciplinary Science and Engineering).
Key terms
- Liquid metal
- Metal that has melted into a liquid. The lab handles lead-bismuth, lead-lithium, tin, and others
- Accelerator-driven subcritical reactor
- A nuclear reactor in which an accelerator is used to induce nuclear reactions. It is being studied as a reactor that turns nuclear waste into energy
- Blanket
- A component that surrounds the core of a fusion reactor, extracting heat and converting it into energy, and producing fuel
NewsLab news
A paper by a doctoral student and Associate Professor Kondo was published in Desalination
A master's student received the Miura Award of the Japan Society of Mechanical Engineers, among other awards
A student received the Best Student Poster Award at the Atomic Energy Society of Japan Spring Annual Meeting
A master's student received an Encouragement Award from the Kanto-Koetsu Branch of the Atomic Energy Society of Japan
A paper on a self-healing corrosion-resistant material in liquid lead-bismuth was published
ResearchResearch themes
The lab draws out the excellent performance of liquid metals to tackle engineering challenges such as those of fusion reactors. Currently, it focuses on liquid blankets, the energy conversion components of fusion reactors, studying material compatibility and mass transport phenomena in flows of high-temperature melts.
*Illustrative imageMaterial Compatibility
Using in-house experimental apparatus and models, the lab examines whether structural materials remain undamaged and usable when in contact with melts such as high-temperature liquid metals (material compatibility).
*Illustrative imageLiquid Metal Engineering
By combining fields such as heat transfer engineering, thermodynamics, fluid dynamics, and chemistry, the lab evaluates the excellent performance of liquid metals and draws out new possibilities of liquid metal technology.
*Illustrative imageBlankets for Fusion Reactors
The lab works on engineering challenges of liquid blankets, the energy conversion components of fusion reactors. It also investigates mass transport phenomena in flows of high-temperature melts.
*Illustrative imageTechnology for Flowing High-Temperature Melts
The lab develops technology for flowing metals melted at high temperatures. Its facilities include a loop for forced circulation of lead-bismuth and a natural convection loop for lead-lithium alloy.
MembersFaculty
The members of the Kondo Lab consist of faculty, technical support staff, and doctoral, master's, and undergraduate students.As of 2026
- Associate ProfessorMasatoshi KondoPublications ↗
VoicesStudent voices
Compiled from answers by students who were in the lab. Ratings and reviews reflect individual students' experiences, not the lab's official views.
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Zinnguss Flachfiguren Schmelze wird in Schieferform gegossen” Wilhelm-schweizer / CC BY-SA 4.0 (cropped)
- Material Compatibility: “Pouring liquid mercury bionerd” Bionerd / CC BY 3.0 (cropped)
- Liquid Metal Engineering: “Gallium kristallisiert” Tmv23 & Dblay / CC BY-SA 3.0 (cropped)
- Blankets for Fusion Reactors: “KSTAR tokamak” Michel Maccagnan / CC BY-SA 3.0 (cropped)
- Technology for Flowing High-Temperature Melts: “Molten Metal Pouring from a Ladle” Mnooralam11 / CC BY 4.0 (cropped)
- Related lab (村上研究室): “Boundary Dam capture unit CO2 compressor” Implicit Matrix / CC BY 4.0 (cropped)
- Related lab (伏信研究室): “ConvectionHeatSink” Harke / Public domain (cropped)
- Related lab (佐藤・関口研究室): “Gecko foot on glass” Bjørn Christian Tørrissen / CC BY-SA 3.0 (cropped)
- Related lab (中西・中条研究室): “Canadarm2 during Expedition 62 (ISS062-E-055099)” NASA / Public domain (cropped)
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